748639698 has 48 divisors (see below), whose sum is σ = 1569054240. Its totient is φ = 238091392.

The previous prime is 748639687. The next prime is 748639733. The reversal of 748639698 is 896936847.

It is a super-2 number, since 2×748639698² = 1120922794843062408, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 448261 + ... + 449927.

It is an arithmetic number, because the mean of its divisors is an integer number (32688630).

Almost surely, 2^748639698 is an apocalyptic number.

748639698 is an abundant number, since it is smaller than the sum of its proper divisors (820414542).

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

748639698 is a wasteful number, since it uses less digits than its factorization.

748639698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1819 (or 1790 counting only the distinct ones).

The product of its digits is 15676416, while the sum is 60.

The square root of 748639698 is about 27361.2810007134. The cubic root of 748639698 is about 908.0106678157.

The spelling of 748639698 in words is "seven hundred forty-eight million, six hundred thirty-nine thousand, six hundred ninety-eight".