749193973 has 16 divisors (see below), whose sum is σ = 857817216. Its totient is φ = 647669440.

The previous prime is 749193941. The next prime is 749193989. The reversal of 749193973 is 379391947.

It is a happy number.

It is not a de Polignac number, because 749193973 - 2⁵ = 749193941 is a prime.

It is a super-2 number, since 2×749193973² = 1122583218359049458, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 749193973.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (749193923) 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, 35211 + ... + 52327.

It is an arithmetic number, because the mean of its divisors is an integer number (53613576).

Almost surely, 2^749193973 is an apocalyptic number.

It is an amenable number.

749193973 is a deficient number, since it is larger than the sum of its proper divisors (108623243).

749193973 is a wasteful number, since it uses less digits than its factorization.

749193973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17324.

The product of its digits is 1285956, while the sum is 52.

The square root of 749193973 is about 27371.4079469800. The cubic root of 749193973 is about 908.2347023581.

The spelling of 749193973 in words is "seven hundred forty-nine million, one hundred ninety-three thousand, nine hundred seventy-three".