749918169 has 96 divisors (see below), whose sum is σ = 1508742144. Its totient is φ = 359484480.

The previous prime is 749918153. The next prime is 749918207. The reversal of 749918169 is 961819947.

It is not a de Polignac number, because 749918169 - 2⁴ = 749918153 is a prime.

It is a super-2 number, since 2×749918169² = 1124754520392625122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (749918119) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 241702 + ... + 244784.

It is an arithmetic number, because the mean of its divisors is an integer number (15716064).

Almost surely, 2^749918169 is an apocalyptic number.

It is an amenable number.

749918169 is an abundant number, since it is smaller than the sum of its proper divisors (758823975).

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

749918169 is a wasteful number, since it uses less digits than its factorization.

749918169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3129 (or 3117 counting only the distinct ones).

The product of its digits is 979776, while the sum is 54.

The square root of 749918169 is about 27384.6338116835. The cubic root of 749918169 is about 908.5272514819.

The spelling of 749918169 in words is "seven hundred forty-nine million, nine hundred eighteen thousand, one hundred sixty-nine".