76620620 has 48 divisors (see below), whose sum is σ = 164814048. Its totient is φ = 29913600.

The previous prime is 76620617. The next prime is 76620629. The reversal of 76620620 is 2602667.

It is not an unprimeable number, because it can be changed into a prime (76620629) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 167432 + ... + 167888.

It is an arithmetic number, because the mean of its divisors is an integer number (3433626).

Almost surely, 2^76620620 is an apocalyptic number.

It is an amenable number.

76620620 is an abundant number, since it is smaller than the sum of its proper divisors (88193428).

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

76620620 is a wasteful number, since it uses less digits than its factorization.

76620620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 650 (or 648 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 76620620 is about 8753.3205128111. The cubic root of 76620620 is about 424.7322327152.

The spelling of 76620620 in words is "seventy-six million, six hundred twenty thousand, six hundred twenty".