76440700 has 36 divisors (see below), whose sum is σ = 189574672. Its totient is φ = 26208000.

The previous prime is 76440691. The next prime is 76440701. The reversal of 76440700 is 704467.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76440701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 53901 + ... + 55300.

Almost surely, 2^76440700 is an apocalyptic number.

76440700 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

76440700 is an abundant number, since it is smaller than the sum of its proper divisors (113133972).

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

76440700 is a wasteful number, since it uses less digits than its factorization.

76440700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109222 (or 109215 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 28.

The square root of 76440700 is about 8743.0372297046. The cubic root of 76440700 is about 424.3995210768.

The spelling of 76440700 in words is "seventy-six million, four hundred forty thousand, seven hundred".