76470740 has 24 divisors (see below), whose sum is σ = 164507112. Its totient is φ = 29841920.

The previous prime is 76470733. The next prime is 76470761. The reversal of 76470740 is 4707467.

It can be written as a sum of positive squares in 4 ways, for example, as 8375236 + 68095504 = 2894^2 + 8252^2 .

It is a super-2 number, since 2×76470740² = 11695548152295200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 76470740.

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, 45809 + ... + 47448.

It is an arithmetic number, because the mean of its divisors is an integer number (6854463).

Almost surely, 2^76470740 is an apocalyptic number.

It is an amenable number.

76470740 is an abundant number, since it is smaller than the sum of its proper divisors (88036372).

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

76470740 is a wasteful number, since it uses less digits than its factorization.

76470740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93307 (or 93305 counting only the distinct ones).

The product of its (nonzero) digits is 32928, while the sum is 35.

The square root of 76470740 is about 8744.7549994268. The cubic root of 76470740 is about 424.4551079213.

The spelling of 76470740 in words is "seventy-six million, four hundred seventy thousand, seven hundred forty".