94724489 has 2 divisors, whose sum is σ = 94724490. Its totient is φ = 94724488.

The previous prime is 94724479. The next prime is 94724503. The reversal of 94724489 is 98442749.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 91776400 + 2948089 = 9580^2 + 1717^2 .

It is a cyclic number.

It is not a de Polignac number, because 94724489 - 2²⁰ = 93675913 is a prime.

It is a super-2 number, since 2×94724489² = 17945457632622242, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (94724449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47362244 + 47362245.

It is an arithmetic number, because the mean of its divisors is an integer number (47362245).

Almost surely, 2^94724489 is an apocalyptic number.

It is an amenable number.

94724489 is a deficient number, since it is larger than the sum of its proper divisors (1).

94724489 is an equidigital number, since it uses as much as digits as its factorization.

94724489 is an evil number, because the sum of its binary digits is even.

The product of its digits is 580608, while the sum is 47.

The square root of 94724489 is about 9732.6506666992. The cubic root of 94724489 is about 455.8487382391.

The spelling of 94724489 in words is "ninety-four million, seven hundred twenty-four thousand, four hundred eighty-nine".