749300537 has 2 divisors, whose sum is σ = 749300538. Its totient is φ = 749300536.

The previous prime is 749300533. The next prime is 749300561. The reversal of 749300537 is 735003947.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 737882896 + 11417641 = 27164^2 + 3379^2 .

It is a cyclic number.

It is not a de Polignac number, because 749300537 - 2² = 749300533 is a prime.

It is a super-2 number, since 2×749300537² = 1122902589496976738, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 749300537.

It is not a weakly prime, because it can be changed into another prime (749300533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 374650268 + 374650269.

It is an arithmetic number, because the mean of its divisors is an integer number (374650269).

Almost surely, 2^749300537 is an apocalyptic number.

It is an amenable number.

749300537 is a deficient number, since it is larger than the sum of its proper divisors (1).

749300537 is an equidigital number, since it uses as much as digits as its factorization.

749300537 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 79380, while the sum is 38.

The square root of 749300537 is about 27373.3545076229. The cubic root of 749300537 is about 908.2777622055.

The spelling of 749300537 in words is "seven hundred forty-nine million, three hundred thousand, five hundred thirty-seven".