76949397 has 24 divisors (see below), whose sum is σ = 128643840. Its totient is φ = 43411680.

The previous prime is 76949359. The next prime is 76949401. The reversal of 76949397 is 79394967.

76949397 is a `hidden beast` number, since 7 + 69 + 493 + 97 = 666.

It is not a de Polignac number, because 76949397 - 2¹⁰ = 76948373 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76849397) 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 23 ways as a sum of consecutive naturals, for example, 2754 + ... + 12707.

It is an arithmetic number, because the mean of its divisors is an integer number (5360160).

Almost surely, 2^76949397 is an apocalyptic number.

It is an amenable number.

76949397 is a deficient number, since it is larger than the sum of its proper divisors (51694443).

76949397 is a wasteful number, since it uses less digits than its factorization.

76949397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15553 (or 15550 counting only the distinct ones).

The product of its digits is 2571912, while the sum is 54.

The square root of 76949397 is about 8772.0805399859. The cubic root of 76949397 is about 425.3388706779.

The spelling of 76949397 in words is "seventy-six million, nine hundred forty-nine thousand, three hundred ninety-seven".