749684997 has 16 divisors (see below), whose sum is σ = 1146472960. Its totient is φ = 483667200.

The previous prime is 749684983. The next prime is 749685037. The reversal of 749684997 is 799486947.

It is not a de Polignac number, because 749684997 - 2⁶ = 749684933 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (749684917) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 447004 + ... + 448677.

It is an arithmetic number, because the mean of its divisors is an integer number (71654560).

Almost surely, 2^749684997 is an apocalyptic number.

It is an amenable number.

749684997 is a deficient number, since it is larger than the sum of its proper divisors (396787963).

749684997 is a wasteful number, since it uses less digits than its factorization.

749684997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 895721 (or 895715 counting only the distinct ones).

The product of its digits is 27433728, while the sum is 63.

The square root of 749684997 is about 27380.3761296298. The cubic root of 749684997 is about 908.4330789509.

The spelling of 749684997 in words is "seven hundred forty-nine million, six hundred eighty-four thousand, nine hundred ninety-seven".