64754961 has 8 divisors (see below), whose sum is σ = 86385024. Its totient is φ = 43147440.

The previous prime is 64754951. The next prime is 64754971. The reversal of 64754961 is 16945746.

It is an interprime number because it is at equal distance from previous prime (64754951) and next prime (64754971).

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

It is not a de Polignac number, because 64754961 - 2¹⁴ = 64738577 is a prime.

It is a super-2 number, since 2×64754961² = 8386409948223042, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (64754951) 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, 2931 + ... + 11751.

It is an arithmetic number, because the mean of its divisors is an integer number (10798128).

Almost surely, 2^64754961 is an apocalyptic number.

It is an amenable number.

64754961 is a deficient number, since it is larger than the sum of its proper divisors (21630063).

64754961 is a wasteful number, since it uses less digits than its factorization.

64754961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11271.

The product of its digits is 181440, while the sum is 42.

The square root of 64754961 is about 8047.0467253521. The cubic root of 64754961 is about 401.5666911027.

The spelling of 64754961 in words is "sixty-four million, seven hundred fifty-four thousand, nine hundred sixty-one".