744534090 has 48 divisors (see below), whose sum is σ = 1937157768. Its totient is φ = 198402048.

The previous prime is 744534079. The next prime is 744534103. The reversal of 744534090 is 90435447.

It can be written as a sum of positive squares in 4 ways, for example, as 143352729 + 601181361 = 11973^2 + 24519^2 .

It is a super-2 number, since 2×744534090² = 1108662022344256200, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 213642 + ... + 217098.

Almost surely, 2^744534090 is an apocalyptic number.

744534090 is an abundant number, since it is smaller than the sum of its proper divisors (1192623678).

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

744534090 is a wasteful number, since it uses less digits than its factorization.

744534090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5863 (or 5860 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The square root of 744534090 is about 27286.1519822785. The cubic root of 744534090 is about 906.3477532921.

The spelling of 744534090 in words is "seven hundred forty-four million, five hundred thirty-four thousand, ninety".