749061930 has 64 divisors (see below), whose sum is σ = 1890459648. Its totient is φ = 189583680.

The previous prime is 749061919. The next prime is 749061931. The reversal of 749061930 is 39160947.

749061930 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 2×749061930² = 1122187549950649800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (749061931) 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, 86247 + ... + 94533.

It is an arithmetic number, because the mean of its divisors is an integer number (29538432).

Almost surely, 2^749061930 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 749061930, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (945229824).

749061930 is an abundant number, since it is smaller than the sum of its proper divisors (1141397718).

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

749061930 is a wasteful number, since it uses less digits than its factorization.

749061930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8451.

The product of its (nonzero) digits is 40824, while the sum is 39.

The square root of 749061930 is about 27368.9957798966. The cubic root of 749061930 is about 908.1813414194.

The spelling of 749061930 in words is "seven hundred forty-nine million, sixty-one thousand, nine hundred thirty".