616730546 has 4 divisors (see below), whose sum is σ = 925095822. Its totient is φ = 308365272.

The previous prime is 616730537. The next prime is 616730551. The reversal of 616730546 is 645037616.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 467035321 + 149695225 = 21611^2 + 12235^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 154182635 + ... + 154182638.

Almost surely, 2^616730546 is an apocalyptic number.

616730546 is a deficient number, since it is larger than the sum of its proper divisors (308365276).

616730546 is a wasteful number, since it uses less digits than its factorization.

616730546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308365275.

The product of its (nonzero) digits is 90720, while the sum is 38.

The square root of 616730546 is about 24834.0601996532. The cubic root of 616730546 is about 851.2004012982.

The spelling of 616730546 in words is "six hundred sixteen million, seven hundred thirty thousand, five hundred forty-six".