754737989 has 2 divisors, whose sum is σ = 754737990. Its totient is φ = 754737988.

The previous prime is 754737983. The next prime is 754738003. The reversal of 754737989 is 989737457.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 737556964 + 17181025 = 27158^2 + 4145^2 .

It is a cyclic number.

It is not a de Polignac number, because 754737989 - 2⁸ = 754737733 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (754737983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 377368994 + 377368995.

It is an arithmetic number, because the mean of its divisors is an integer number (377368995).

Almost surely, 2^754737989 is an apocalyptic number.

It is an amenable number.

754737989 is a deficient number, since it is larger than the sum of its proper divisors (1).

754737989 is an equidigital number, since it uses as much as digits as its factorization.

754737989 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13335840, while the sum is 59.

The square root of 754737989 is about 27472.4951360447. The cubic root of 754737989 is about 910.4695033262.

The spelling of 754737989 in words is "seven hundred fifty-four million, seven hundred thirty-seven thousand, nine hundred eighty-nine".