64730501 has 16 divisors (see below), whose sum is σ = 73379520. Its totient is φ = 56580480.

The previous prime is 64730489. The next prime is 64730507. The reversal of 64730501 is 10503746.

It is not a de Polignac number, because 64730501 - 2¹⁰ = 64729477 is a prime.

It is a super-2 number, since 2×64730501² = 8380075519422002, 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 (64730507) 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, 35330 + ... + 37116.

It is an arithmetic number, because the mean of its divisors is an integer number (4586220).

Almost surely, 2^64730501 is an apocalyptic number.

It is an amenable number.

64730501 is a deficient number, since it is larger than the sum of its proper divisors (8649019).

64730501 is a wasteful number, since it uses less digits than its factorization.

64730501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1924.

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 64730501 is about 8045.5267695782. The cubic root of 64730501 is about 401.5161232486.

The spelling of 64730501 in words is "sixty-four million, seven hundred thirty thousand, five hundred one".