61948642 has 24 divisors (see below), whose sum is σ = 108597996. Its totient is φ = 26425728.

The previous prime is 61948597. The next prime is 61948673. The reversal of 61948642 is 24684916.

It can be written as a sum of positive squares in 2 ways, for example, as 60047001 + 1901641 = 7749^2 + 1379^2 .

It is a junction number, because it is equal to n+sod(n) for n = 61948595 and 61948604.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21478 + ... + 24190.

Almost surely, 2^61948642 is an apocalyptic number.

61948642 is a deficient number, since it is larger than the sum of its proper divisors (46649354).

61948642 is a wasteful number, since it uses less digits than its factorization.

61948642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2962 (or 2955 counting only the distinct ones).

The product of its digits is 82944, while the sum is 40.

The square root of 61948642 is about 7870.7459621055. The cubic root of 61948642 is about 395.6798461565.

The spelling of 61948642 in words is "sixty-one million, nine hundred forty-eight thousand, six hundred forty-two".