1475386740 has 72 divisors (see below), whose sum is σ = 4490085600. Its totient is φ = 392140224.

The previous prime is 1475386711. The next prime is 1475386741. The reversal of 1475386740 is 476835741.

1475386740 is a `hidden beast` number, since 1 + 47 + 538 + 6 + 74 + 0 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1475386741) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 41911 + ... + 68609.

It is an arithmetic number, because the mean of its divisors is an integer number (62362300).

Almost surely, 2^1475386740 is an apocalyptic number.

1475386740 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 1475386740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2245042800).

1475386740 is an abundant number, since it is smaller than the sum of its proper divisors (3014698860).

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

1475386740 is a wasteful number, since it uses less digits than its factorization.

1475386740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27021 (or 27016 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 45.

The square root of 1475386740 is about 38410.7633352944. The cubic root of 1475386740 is about 1138.4185365868.

The spelling of 1475386740 in words is "one billion, four hundred seventy-five million, three hundred eighty-six thousand, seven hundred forty".