75620617 has 16 divisors (see below), whose sum is σ = 79453440. Its totient is φ = 71914752.

The previous prime is 75620593. The next prime is 75620621. The reversal of 75620617 is 71602657.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-75620617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (75620917) 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, 383763 + ... + 383959.

It is an arithmetic number, because the mean of its divisors is an integer number (4965840).

Almost surely, 2^75620617 is an apocalyptic number.

It is an amenable number.

75620617 is a deficient number, since it is larger than the sum of its proper divisors (3832823).

75620617 is a wasteful number, since it uses less digits than its factorization.

75620617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 432.

The product of its (nonzero) digits is 17640, while the sum is 34.

The square root of 75620617 is about 8696.0115570300. The cubic root of 75620617 is about 422.8763580382.

The spelling of 75620617 in words is "seventy-five million, six hundred twenty thousand, six hundred seventeen".