69628994 has 4 divisors (see below), whose sum is σ = 104443494. Its totient is φ = 34814496.

The previous prime is 69628973. The next prime is 69629003. The reversal of 69628994 is 49982696.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 67453369 + 2175625 = 8213^2 + 1475^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17407247 + ... + 17407250.

Almost surely, 2^69628994 is an apocalyptic number.

69628994 is a deficient number, since it is larger than the sum of its proper divisors (34814500).

69628994 is a wasteful number, since it uses less digits than its factorization.

69628994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34814499.

The product of its digits is 1679616, while the sum is 53.

The square root of 69628994 is about 8344.3989597813. The cubic root of 69628994 is about 411.3991343279.

The spelling of 69628994 in words is "sixty-nine million, six hundred twenty-eight thousand, nine hundred ninety-four".