75672957 has 4 divisors (see below), whose sum is σ = 100897280. Its totient is φ = 50448636.

The previous prime is 75672941. The next prime is 75672959. The reversal of 75672957 is 75927657.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 75672957 - 2⁴ = 75672941 is a prime.

It is a super-2 number, since 2×75672957² = 11452792842247698, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75672959) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12612157 + ... + 12612162.

It is an arithmetic number, because the mean of its divisors is an integer number (25224320).

Almost surely, 2^75672957 is an apocalyptic number.

It is an amenable number.

75672957 is a deficient number, since it is larger than the sum of its proper divisors (25224323).

75672957 is a wasteful number, since it uses less digits than its factorization.

75672957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25224322.

The product of its digits is 926100, while the sum is 48.

The square root of 75672957 is about 8699.0204620980. The cubic root of 75672957 is about 422.9738986516.

The spelling of 75672957 in words is "seventy-five million, six hundred seventy-two thousand, nine hundred fifty-seven".