76620465 has 32 divisors (see below), whose sum is σ = 140918400. Its totient is φ = 39453120.

The previous prime is 76620461. The next prime is 76620469. The reversal of 76620465 is 56402667.

It is an interprime number because it is at equal distance from previous prime (76620461) and next prime (76620469).

It is not a de Polignac number, because 76620465 - 2² = 76620461 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (76620461) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5871 + ... + 13700.

It is an arithmetic number, because the mean of its divisors is an integer number (4403700).

Almost surely, 2^76620465 is an apocalyptic number.

It is an amenable number.

76620465 is a deficient number, since it is larger than the sum of its proper divisors (64297935).

76620465 is a wasteful number, since it uses less digits than its factorization.

76620465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19614 (or 19608 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The square root of 76620465 is about 8753.3116590237. The cubic root of 76620465 is about 424.7319463104.

The spelling of 76620465 in words is "seventy-six million, six hundred twenty thousand, four hundred sixty-five".