916274749 has 16 divisors (see below), whose sum is σ = 1023246000. Its totient is φ = 814657536.

The previous prime is 916274741. The next prime is 916274761. The reversal of 916274749 is 947472619.

It can be written as a sum of positive squares in 8 ways, for example, as 68591524 + 847683225 = 8282^2 + 29115^2 .

It is a cyclic number.

It is not a de Polignac number, because 916274749 - 2³ = 916274741 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 (916274741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 166567 + ... + 171979.

It is an arithmetic number, because the mean of its divisors is an integer number (63952875).

Almost surely, 2^916274749 is an apocalyptic number.

It is an amenable number.

916274749 is a deficient number, since it is larger than the sum of its proper divisors (106971251).

916274749 is a wasteful number, since it uses less digits than its factorization.

916274749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5904.

The product of its digits is 762048, while the sum is 49.

The square root of 916274749 is about 30270.0305417751. The cubic root of 916274749 is about 971.2743194143.

The spelling of 916274749 in words is "nine hundred sixteen million, two hundred seventy-four thousand, seven hundred forty-nine".