707942490 has 128 divisors (see below), whose sum is σ = 1828915200. Its totient is φ = 175042560.

The previous prime is 707942479. The next prime is 707942503. The reversal of 707942490 is 94249707.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3174519 + ... + 3174741.

It is an arithmetic number, because the mean of its divisors is an integer number (14288400).

Almost surely, 2^707942490 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 707942490, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (914457600).

707942490 is an abundant number, since it is smaller than the sum of its proper divisors (1120972710).

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

707942490 is a wasteful number, since it uses less digits than its factorization.

707942490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 392.

The product of its (nonzero) digits is 127008, while the sum is 42.

The square root of 707942490 is about 26607.1886902769. The cubic root of 707942490 is about 891.2495556703.

The spelling of 707942490 in words is "seven hundred seven million, nine hundred forty-two thousand, four hundred ninety".