749198160 has 240 divisors, whose sum is σ = 2763948096. Its totient is φ = 187951104.

The previous prime is 749198147. The next prime is 749198161. The reversal of 749198160 is 61891947.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (240).

It is a super-2 number, since 2×749198160² = 1122595765894771200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (749198161) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 329347 + ... + 331613.

Almost surely, 2^749198160 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 749198160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1381974048).

749198160 is an abundant number, since it is smaller than the sum of its proper divisors (2014749936).

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

749198160 is a wasteful number, since it uses less digits than its factorization.

749198160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2312 (or 2294 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 45.

The square root of 749198160 is about 27371.4844317951. The cubic root of 749198160 is about 908.2363942972.

The spelling of 749198160 in words is "seven hundred forty-nine million, one hundred ninety-eight thousand, one hundred sixty".