749144760 has 256 divisors, whose sum is σ = 2856591360. Its totient is φ = 152893440.

The previous prime is 749144699. The next prime is 749144779. The reversal of 749144760 is 67441947.

It is a super-2 number, since 2×749144760² = 1122435742870915200, which contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 337414 + ... + 339626.

It is an arithmetic number, because the mean of its divisors is an integer number (11158560).

Almost surely, 2^749144760 is an apocalyptic number.

749144760 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 749144760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1428295680).

749144760 is an abundant number, since it is smaller than the sum of its proper divisors (2107446600).

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

749144760 is a wasteful number, since it uses less digits than its factorization.

749144760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2278 (or 2274 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 42.

The square root of 749144760 is about 27370.5089466747. The cubic root of 749144760 is about 908.2148152373.

The spelling of 749144760 in words is "seven hundred forty-nine million, one hundred forty-four thousand, seven hundred sixty".