64623030 has 32 divisors (see below), whose sum is σ = 155361024. Its totient is φ = 17203296.

The previous prime is 64623029. The next prime is 64623071. The reversal of 64623030 is 3032646.

It is a super-2 number, since 2×64623030² = 8352272012761800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20329 + ... + 23291.

It is an arithmetic number, because the mean of its divisors is an integer number (4855032).

Almost surely, 2^64623030 is an apocalyptic number.

64623030 is an abundant number, since it is smaller than the sum of its proper divisors (90737994).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

64623030 is a wasteful number, since it uses less digits than its factorization.

64623030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3700.

The product of its (nonzero) digits is 2592, while the sum is 24.

The square root of 64623030 is about 8038.8450663015. The cubic root of 64623030 is about 401.2937899239.

Adding to 64623030 its reverse (3032646), we get a palindrome (67655676).

The spelling of 64623030 in words is "sixty-four million, six hundred twenty-three thousand, thirty".