62640442 has 8 divisors (see below), whose sum is σ = 93995136. Its totient is φ = 31308732.

The previous prime is 62640421. The next prime is 62640451. The reversal of 62640442 is 24404626.

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

It is a self number, because there is not a number n which added to its sum of digits gives 62640442.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5373 + ... + 12415.

It is an arithmetic number, because the mean of its divisors is an integer number (11749392).

Almost surely, 2^62640442 is an apocalyptic number.

62640442 is a deficient number, since it is larger than the sum of its proper divisors (31354694).

62640442 is a wasteful number, since it uses less digits than its factorization.

62640442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11492.

The product of its (nonzero) digits is 9216, while the sum is 28.

The square root of 62640442 is about 7914.5714981924. The cubic root of 62640442 is about 397.1472909933.

The spelling of 62640442 in words is "sixty-two million, six hundred forty thousand, four hundred forty-two".