64703622 has 16 divisors (see below), whose sum is σ = 129871152. Its totient is φ = 21490560.

The previous prime is 64703621. The next prime is 64703633. The reversal of 64703622 is 22630746.

It is a self number, because there is not a number n which added to its sum of digits gives 64703622.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64703621) 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, 17503 + ... + 20874.

It is an arithmetic number, because the mean of its divisors is an integer number (8116947).

Almost surely, 2^64703622 is an apocalyptic number.

64703622 is an abundant number, since it is smaller than the sum of its proper divisors (65167530).

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

64703622 is a wasteful number, since it uses less digits than its factorization.

64703622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38663.

The product of its (nonzero) digits is 12096, while the sum is 30.

The square root of 64703622 is about 8043.8561648006. The cubic root of 64703622 is about 401.4605397351.

The spelling of 64703622 in words is "sixty-four million, seven hundred three thousand, six hundred twenty-two".