62631390 has 16 divisors (see below), whose sum is σ = 150315408. Its totient is φ = 16701696.

The previous prime is 62631389. The next prime is 62631407. The reversal of 62631390 is 9313626.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 2087713 = 62631390 / (6 + 2 + 6 + 3 + 1 + 3 + 9 + 0).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1043827 + ... + 1043886.

It is an arithmetic number, because the mean of its divisors is an integer number (9394713).

Almost surely, 2^62631390 is an apocalyptic number.

62631390 is an abundant number, since it is smaller than the sum of its proper divisors (87684018).

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

62631390 is a wasteful number, since it uses less digits than its factorization.

62631390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2087723.

The product of its (nonzero) digits is 5832, while the sum is 30.

The square root of 62631390 is about 7913.9996209249. Note that the first 3 decimals coincide. The cubic root of 62631390 is about 397.1281598466.

The spelling of 62631390 in words is "sixty-two million, six hundred thirty-one thousand, three hundred ninety".