749190819 has 16 divisors (see below), whose sum is σ = 1076350464. Its totient is φ = 460788000.

The previous prime is 749190817. The next prime is 749190829. The reversal of 749190819 is 918091947.

It is not a de Polignac number, because 749190819 - 2¹ = 749190817 is a prime.

It is a super-2 number, since 2×749190819² = 1122573766547781522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (749190811) 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, 87604 + ... + 95774.

It is an arithmetic number, because the mean of its divisors is an integer number (67271904).

Almost surely, 2^749190819 is an apocalyptic number.

749190819 is a deficient number, since it is larger than the sum of its proper divisors (327159645).

749190819 is a wasteful number, since it uses less digits than its factorization.

749190819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10538.

The product of its (nonzero) digits is 163296, while the sum is 48.

The square root of 749190819 is about 27371.3503320534. The cubic root of 749190819 is about 908.2334278434.

The spelling of 749190819 in words is "seven hundred forty-nine million, one hundred ninety thousand, eight hundred nineteen".