76047940 has 24 divisors (see below), whose sum is σ = 159911640. Its totient is φ = 30379008.

The previous prime is 76047931. The next prime is 76047949. The reversal of 76047940 is 4974067.

It is an interprime number because it is at equal distance from previous prime (76047931) and next prime (76047949).

It can be written as a sum of positive squares in 4 ways, for example, as 148996 + 75898944 = 386^2 + 8712^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 76047940.

It is not an unprimeable number, because it can be changed into a prime (76047949) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16534 + ... + 20626.

It is an arithmetic number, because the mean of its divisors is an integer number (6662985).

Almost surely, 2^76047940 is an apocalyptic number.

It is an amenable number.

76047940 is an abundant number, since it is smaller than the sum of its proper divisors (83863700).

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

76047940 is a wasteful number, since it uses less digits than its factorization.

76047940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5031 (or 5029 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 37.

The square root of 76047940 is about 8720.5470011921. The cubic root of 76047940 is about 423.6714034695.

The spelling of 76047940 in words is "seventy-six million, forty-seven thousand, nine hundred forty".