749140490 has 32 divisors (see below), whose sum is σ = 1543739904. Its totient is φ = 256406400.

The previous prime is 749140471. The next prime is 749140507. The reversal of 749140490 is 94041947.

749140490 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×749140490² = 1122422947514880200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33167 + ... + 50973.

It is an arithmetic number, because the mean of its divisors is an integer number (48241872).

Almost surely, 2^749140490 is an apocalyptic number.

749140490 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

749140490 is an abundant number, since it is smaller than the sum of its proper divisors (794599414).

749140490 is a wasteful number, since it uses less digits than its factorization.

749140490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18422.

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 749140490 is about 27370.4309428989. The cubic root of 749140490 is about 908.2130896765.

The spelling of 749140490 in words is "seven hundred forty-nine million, one hundred forty thousand, four hundred ninety".