75772707 has 8 divisors (see below), whose sum is σ = 103760976. Its totient is φ = 49149792.

The previous prime is 75772699. The next prime is 75772721. The reversal of 75772707 is 70727757.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 75772707 - 2³ = 75772699 is a prime.

It is a super-2 number, since 2×75772707² = 11483006252215698, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (75772007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 341208 + ... + 341429.

It is an arithmetic number, because the mean of its divisors is an integer number (12970122).

Almost surely, 2^75772707 is an apocalyptic number.

75772707 is a deficient number, since it is larger than the sum of its proper divisors (27988269).

75772707 is a wasteful number, since it uses less digits than its factorization.

75772707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 682677.

The product of its (nonzero) digits is 168070, while the sum is 42.

The square root of 75772707 is about 8704.7519780865. The cubic root of 75772707 is about 423.1596678836.

The spelling of 75772707 in words is "seventy-five million, seven hundred seventy-two thousand, seven hundred seven".