749279916 has 144 divisors (see below), whose sum is σ = 2440560640. Its totient is φ = 194594400.

The previous prime is 749279893. The next prime is 749279941. The reversal of 749279916 is 619972947.

It is a super-2 number, since 2×749279916² = 1122840785041934112, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 87381 + ... + 95571.

Almost surely, 2^749279916 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 749279916, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1220280320).

749279916 is an abundant number, since it is smaller than the sum of its proper divisors (1691280724).

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

749279916 is a wasteful number, since it uses less digits than its factorization.

749279916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8233 (or 8214 counting only the distinct ones).

The product of its digits is 1714608, while the sum is 54.

The square root of 749279916 is about 27372.9778431211. The cubic root of 749279916 is about 908.2694300937.

The spelling of 749279916 in words is "seven hundred forty-nine million, two hundred seventy-nine thousand, nine hundred sixteen".