1374747660 has 384 divisors, whose sum is σ = 5294822400. Its totient is φ = 291133440.

The previous prime is 1374747643. The next prime is 1374747683. The reversal of 1374747660 is 667474731.

1374747660 is a `hidden beast` number, since 137 + 47 + 476 + 6 + 0 = 666.

It is a super-2 number, since 2×1374747660² = 3779862257350951200, which contains 22 as substring.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1466712 + ... + 1467648.

It is an arithmetic number, because the mean of its divisors is an integer number (13788600).

Almost surely, 2^1374747660 is an apocalyptic number.

1374747660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1374747660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2647411200).

1374747660 is an abundant number, since it is smaller than the sum of its proper divisors (3920074740).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1374747660 is a wasteful number, since it uses less digits than its factorization.

1374747660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 998 (or 990 counting only the distinct ones).

The product of its (nonzero) digits is 592704, while the sum is 45.

The square root of 1374747660 is about 37077.5897274890. The cubic root of 1374747660 is about 1111.9220169853.

The spelling of 1374747660 in words is "one billion, three hundred seventy-four million, seven hundred forty-seven thousand, six hundred sixty".