76971573 has 16 divisors (see below), whose sum is σ = 130322560. Its totient is φ = 43983648.

The previous prime is 76971553. The next prime is 76971589. The reversal of 76971573 is 37517967.

76971573 is a `hidden beast` number, since 7 + 6 + 9 + 71 + 573 = 666.

It is not a de Polignac number, because 76971573 - 2⁵ = 76971541 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 (76971523) 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, 203440 + ... + 203817.

It is an arithmetic number, because the mean of its divisors is an integer number (8145160).

Almost surely, 2^76971573 is an apocalyptic number.

It is an amenable number.

76971573 is a deficient number, since it is larger than the sum of its proper divisors (53350987).

76971573 is a wasteful number, since it uses less digits than its factorization.

76971573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 407273 (or 407267 counting only the distinct ones).

The product of its digits is 277830, while the sum is 45.

The square root of 76971573 is about 8773.3444592128. The cubic root of 76971573 is about 425.3797261371.

The spelling of 76971573 in words is "seventy-six million, nine hundred seventy-one thousand, five hundred seventy-three".