76672397 has 16 divisors (see below), whose sum is σ = 84680640. Its totient is φ = 69119232.

The previous prime is 76672381. The next prime is 76672441. The reversal of 76672397 is 79327667.

It is a happy number.

It is not a de Polignac number, because 76672397 - 2⁴ = 76672381 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76672097) 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, 37754 + ... + 39732.

It is an arithmetic number, because the mean of its divisors is an integer number (5292540).

Almost surely, 2^76672397 is an apocalyptic number.

It is an amenable number.

76672397 is a deficient number, since it is larger than the sum of its proper divisors (8008243).

76672397 is a wasteful number, since it uses less digits than its factorization.

76672397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2092.

The product of its digits is 666792, while the sum is 47.

The square root of 76672397 is about 8756.2775766875. The cubic root of 76672397 is about 424.8278832466.

The spelling of 76672397 in words is "seventy-six million, six hundred seventy-two thousand, three hundred ninety-seven".