497772036 has 72 divisors (see below), whose sum is σ = 1345630104. Its totient is φ = 154598400.

The previous prime is 497772029. The next prime is 497772043. The reversal of 497772036 is 630277794.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (497772029) and next prime (497772043).

It can be written as a sum of positive squares in 4 ways, for example, as 342620100 + 155151936 = 18510^2 + 12456^2 .

It is a junction number, because it is equal to n+sod(n) for n = 497771982 and 497772000.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 57786 + ... + 65838.

It is an arithmetic number, because the mean of its divisors is an integer number (18689307).

Almost surely, 2^497772036 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 497772036, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (672815052).

497772036 is an abundant number, since it is smaller than the sum of its proper divisors (847858068).

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

497772036 is a wasteful number, since it uses less digits than its factorization.

497772036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8181 (or 8176 counting only the distinct ones).

The product of its (nonzero) digits is 444528, while the sum is 45.

The square root of 497772036 is about 22310.8053642176. The cubic root of 497772036 is about 792.5198798199.

The spelling of 497772036 in words is "four hundred ninety-seven million, seven hundred seventy-two thousand, thirty-six".