75921465 has 16 divisors (see below), whose sum is σ = 122024448. Its totient is φ = 40308096.

The previous prime is 75921451. The next prime is 75921467. The reversal of 75921465 is 56412957.

It is not a de Polignac number, because 75921465 - 2⁶ = 75921401 is a prime.

It is not an unprimeable number, because it can be changed into a prime (75921467) 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, 8004 + ... + 14693.

It is an arithmetic number, because the mean of its divisors is an integer number (7626528).

Almost surely, 2^75921465 is an apocalyptic number.

It is an amenable number.

75921465 is a deficient number, since it is larger than the sum of its proper divisors (46102983).

75921465 is a wasteful number, since it uses less digits than its factorization.

75921465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22928.

The product of its digits is 75600, while the sum is 39.

The square root of 75921465 is about 8713.2924316816. The cubic root of 75921465 is about 423.4364044534.

The spelling of 75921465 in words is "seventy-five million, nine hundred twenty-one thousand, four hundred sixty-five".