69214990 has 32 divisors (see below), whose sum is σ = 142067520. Its totient is φ = 24052224.

The previous prime is 69214933. The next prime is 69215009. The reversal of 69214990 is 9941296.

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, 13450 + ... + 17869.

It is an arithmetic number, because the mean of its divisors is an integer number (4439610).

Almost surely, 2^69214990 is an apocalyptic number.

69214990 is an abundant number, since it is smaller than the sum of its proper divisors (72852530).

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

69214990 is a wasteful number, since it uses less digits than its factorization.

69214990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31356.

The product of its (nonzero) digits is 34992, while the sum is 40.

The square root of 69214990 is about 8319.5546755821. The cubic root of 69214990 is about 410.5821395447.

It can be divided in two parts, 6921 and 4990, that added together give a palindrome (11911).

The spelling of 69214990 in words is "sixty-nine million, two hundred fourteen thousand, nine hundred ninety".