61730152 has 16 divisors (see below), whose sum is σ = 126266400. Its totient is φ = 28059120.

The previous prime is 61730143. The next prime is 61730161. The reversal of 61730152 is 25103716.

It is an interprime number because it is at equal distance from previous prime (61730143) and next prime (61730161).

It is a super-2 number, since 2×61730152² = 7621223331886208, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 350652 + ... + 350827.

It is an arithmetic number, because the mean of its divisors is an integer number (7891650).

Almost surely, 2^61730152 is an apocalyptic number.

It is an amenable number.

61730152 is an abundant number, since it is smaller than the sum of its proper divisors (64536248).

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

61730152 is a wasteful number, since it uses less digits than its factorization.

61730152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 701496 (or 701492 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 25.

The square root of 61730152 is about 7856.8538232552. The cubic root of 61730152 is about 395.2141166752.

Adding to 61730152 its reverse (25103716), we get a palindrome (86833868).

The spelling of 61730152 in words is "sixty-one million, seven hundred thirty thousand, one hundred fifty-two".