748550731 has 2 divisors, whose sum is σ = 748550732. Its totient is φ = 748550730.

The previous prime is 748550729. The next prime is 748550741. The reversal of 748550731 is 137055847.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 748550731 - 2¹ = 748550729 is a prime.

It is a super-2 number, since 2×748550731² = 1120656393761268722, which contains 22 as substring.

Together with 748550729, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (748550701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 374275365 + 374275366.

It is an arithmetic number, because the mean of its divisors is an integer number (374275366).

Almost surely, 2^748550731 is an apocalyptic number.

748550731 is a deficient number, since it is larger than the sum of its proper divisors (1).

748550731 is an equidigital number, since it uses as much as digits as its factorization.

748550731 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 117600, while the sum is 40.

The square root of 748550731 is about 27359.6551696106. The cubic root of 748550731 is about 907.9746976040.

The spelling of 748550731 in words is "seven hundred forty-eight million, five hundred fifty thousand, seven hundred thirty-one".