1174072640 has 56 divisors (see below), whose sum is σ = 3010829640. Its totient is φ = 433502208.

The previous prime is 1174072639. The next prime is 1174072661. The reversal of 1174072640 is 462704711.

It can be written as a sum of positive squares in 4 ways, for example, as 31091776 + 1142980864 = 5576^2 + 33808^2 .

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a junction number, because it is equal to n+sod(n) for n = 1174072597 and 1174072606.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 136955 + ... + 145274.

It is an arithmetic number, because the mean of its divisors is an integer number (53764815).

Almost surely, 2^1174072640 is an apocalyptic number.

1174072640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1174072640 is an abundant number, since it is smaller than the sum of its proper divisors (1836757000).

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

1174072640 is a wasteful number, since it uses less digits than its factorization.

1174072640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282259 (or 282249 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 32.

The square root of 1174072640 is about 34264.7433960916. The cubic root of 1174072640 is about 1054.9494641232.

The spelling of 1174072640 in words is "one billion, one hundred seventy-four million, seventy-two thousand, six hundred forty".