749415630 has 64 divisors (see below), whose sum is σ = 1856929536. Its totient is φ = 193440000.

The previous prime is 749415629. The next prime is 749415637. The reversal of 749415630 is 36514947.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (749415637) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 158805 + ... + 163455.

It is an arithmetic number, because the mean of its divisors is an integer number (29014524).

Almost surely, 2^749415630 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 749415630, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (928464768).

749415630 is an abundant number, since it is smaller than the sum of its proper divisors (1107513906).

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

749415630 is a wasteful number, since it uses less digits than its factorization.

749415630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4833.

The product of its (nonzero) digits is 90720, while the sum is 39.

The square root of 749415630 is about 27375.4567085190. The cubic root of 749415630 is about 908.3242638229.

The spelling of 749415630 in words is "seven hundred forty-nine million, four hundred fifteen thousand, six hundred thirty".