747040319 has 4 divisors (see below), whose sum is σ = 772800360. Its totient is φ = 721280280.

The previous prime is 747040303. The next prime is 747040321. The reversal of 747040319 is 913040747.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 913040747 = 137 ⋅6664531.

It is a cyclic number.

It is not a de Polignac number, because 747040319 - 2⁴ = 747040303 is a prime.

It is a super-2 number, since 2×747040319² = 1116138476423243522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (747040379) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12879977 + ... + 12880034.

It is an arithmetic number, because the mean of its divisors is an integer number (193200090).

Almost surely, 2^747040319 is an apocalyptic number.

747040319 is a deficient number, since it is larger than the sum of its proper divisors (25760041).

747040319 is a wasteful number, since it uses less digits than its factorization.

747040319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25760040.

The product of its (nonzero) digits is 21168, while the sum is 35.

The square root of 747040319 is about 27332.0383250134. The cubic root of 747040319 is about 907.3635881345.

The spelling of 747040319 in words is "seven hundred forty-seven million, forty thousand, three hundred nineteen".