61948830 has 16 divisors (see below), whose sum is σ = 148677264. Its totient is φ = 16519680.

The previous prime is 61948823. The next prime is 61948847. The reversal of 61948830 is 3884916.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1032451 + ... + 1032510.

It is an arithmetic number, because the mean of its divisors is an integer number (9292329).

Almost surely, 2^61948830 is an apocalyptic number.

61948830 is an abundant number, since it is smaller than the sum of its proper divisors (86728434).

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

61948830 is a wasteful number, since it uses less digits than its factorization.

61948830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2064971.

The product of its (nonzero) digits is 41472, while the sum is 39.

The square root of 61948830 is about 7870.7579050559. The cubic root of 61948830 is about 395.6802464221.

The spelling of 61948830 in words is "sixty-one million, nine hundred forty-eight thousand, eight hundred thirty".