690374080 has 224 divisors, whose sum is σ = 1935601920. Its totient is φ = 231751680.

The previous prime is 690374071. The next prime is 690374081. The reversal of 690374080 is 80473096.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (690374081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4966651 + ... + 4966789.

It is an arithmetic number, because the mean of its divisors is an integer number (8641080).

Almost surely, 2^690374080 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 690374080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (967800960).

690374080 is an abundant number, since it is smaller than the sum of its proper divisors (1245227840).

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

690374080 is a wasteful number, since it uses less digits than its factorization.

690374080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267 (or 257 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 690374080 is about 26274.9705994127. The cubic root of 690374080 is about 883.8152531897.

The spelling of 690374080 in words is "six hundred ninety million, three hundred seventy-four thousand, eighty".