749799997948 has 24 divisors (see below), whose sum is σ = 1387513459584. Its totient is φ = 353957510400.

The previous prime is 749799997897. The next prime is 749799997997. The reversal of 749799997948 is 849799997947.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73736065 + ... + 73746232.

It is an arithmetic number, because the mean of its divisors is an integer number (57813060816).

Almost surely, 2^749799997948 is an apocalyptic number.

It is an amenable number.

749799997948 is a deficient number, since it is larger than the sum of its proper divisors (637713461636).

749799997948 is a wasteful number, since it uses less digits than its factorization.

749799997948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147482373 (or 147482371 counting only the distinct ones).

The product of its digits is 23332385664, while the sum is 91.

Subtracting 749799997948 from its reverse (849799997947), we obtain a palindrome (99999999999).

The spelling of 749799997948 in words is "seven hundred forty-nine billion, seven hundred ninety-nine million, nine hundred ninety-seven thousand, nine hundred forty-eight".