976722240 has 224 divisors, whose sum is σ = 3397032576. Its totient is φ = 236298240.

The previous prime is 976722193. The next prime is 976722251. The reversal of 976722240 is 42227679.

It is a super-2 number, since 2×976722240² = 1907972668221235200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 760639 + ... + 761921.

It is an arithmetic number, because the mean of its divisors is an integer number (15165324).

Almost surely, 2^976722240 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 976722240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1698516288).

976722240 is an abundant number, since it is smaller than the sum of its proper divisors (2420310336).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

976722240 is a wasteful number, since it uses less digits than its factorization.

976722240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1377 (or 1367 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 39.

The square root of 976722240 is about 31252.5557354915. Note that the first 3 decimals coincide. The cubic root of 976722240 is about 992.1797497723.

The spelling of 976722240 in words is "nine hundred seventy-six million, seven hundred twenty-two thousand, two hundred forty".