690743934 has 12 divisors (see below), whose sum is σ = 1496611896. Its totient is φ = 230247972.

The previous prime is 690743929. The next prime is 690743939. The reversal of 690743934 is 439347096.

It is an interprime number because it is at equal distance from previous prime (690743929) and next prime (690743939).

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 690743934.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (690743939) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 19187314 + ... + 19187349.

It is an arithmetic number, because the mean of its divisors is an integer number (124717658).

Almost surely, 2^690743934 is an apocalyptic number.

690743934 is an abundant number, since it is smaller than the sum of its proper divisors (805867962).

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

690743934 is a wasteful number, since it uses less digits than its factorization.

690743934 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38374671 (or 38374668 counting only the distinct ones).

The product of its (nonzero) digits is 489888, while the sum is 45.

The square root of 690743934 is about 26282.0078000141. The cubic root of 690743934 is about 883.9730537503.

The spelling of 690743934 in words is "six hundred ninety million, seven hundred forty-three thousand, nine hundred thirty-four".