749139398370 has 288 divisors, whose sum is σ = 2226935954880. Its totient is φ = 173267677440.

The previous prime is 749139398369. The next prime is 749139398437. The reversal of 749139398370 is 73893931947.

749139398370 is a `hidden beast` number, since 7 + 4 + 91 + 3 + 93 + 98 + 370 = 666.

It is a super-2 number, since 2×749139398370² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 749139398298 and 749139398307.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 232001916 + ... + 232005144.

It is an arithmetic number, because the mean of its divisors is an integer number (7732416510).

Almost surely, 2^749139398370 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 749139398370, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1113467977440).

749139398370 is an abundant number, since it is smaller than the sum of its proper divisors (1477796556510).

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

749139398370 is a wasteful number, since it uses less digits than its factorization.

749139398370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3742 (or 3716 counting only the distinct ones).

The product of its (nonzero) digits is 30862944, while the sum is 63.

The spelling of 749139398370 in words is "seven hundred forty-nine billion, one hundred thirty-nine million, three hundred ninety-eight thousand, three hundred seventy".