749261562 has 64 divisors (see below), whose sum is σ = 1738485504. Its totient is φ = 210862080.

The previous prime is 749261533. The next prime is 749261563. The reversal of 749261562 is 265162947.

It is a super-2 number, since 2×749261562² = 1122785776581359688, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (749261563) 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, 1437862 + ... + 1438382.

It is an arithmetic number, because the mean of its divisors is an integer number (27163836).

Almost surely, 2^749261562 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 749261562, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (869242752).

749261562 is an abundant number, since it is smaller than the sum of its proper divisors (989223942).

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

749261562 is a wasteful number, since it uses less digits than its factorization.

749261562 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 983.

The product of its digits is 181440, while the sum is 42.

The square root of 749261562 is about 27372.6425834262. The cubic root of 749261562 is about 908.2620138563.

The spelling of 749261562 in words is "seven hundred forty-nine million, two hundred sixty-one thousand, five hundred sixty-two".