736274989 has 4 divisors (see below), whose sum is σ = 745145856. Its totient is φ = 727404124.

The previous prime is 736274977. The next prime is 736275031. The reversal of 736274989 is 989472637.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 736274989 - 2⁹ = 736274477 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (736274969) 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, 4435309 + ... + 4435474.

It is an arithmetic number, because the mean of its divisors is an integer number (186286464).

Almost surely, 2^736274989 is an apocalyptic number.

It is an amenable number.

736274989 is a deficient number, since it is larger than the sum of its proper divisors (8870867).

736274989 is an equidigital number, since it uses as much as digits as its factorization.

736274989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8870866.

The product of its digits is 4572288, while the sum is 55.

The square root of 736274989 is about 27134.3875737043. The cubic root of 736274989 is about 902.9839186222.

The spelling of 736274989 in words is "seven hundred thirty-six million, two hundred seventy-four thousand, nine hundred eighty-nine".