61748874 has 48 divisors (see below), whose sum is σ = 146843424. Its totient is φ = 18597600.

The previous prime is 61748857. The next prime is 61748881. The reversal of 61748874 is 47884716.

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, 34977 + ... + 36699.

It is an arithmetic number, because the mean of its divisors is an integer number (3059238).

Almost surely, 2^61748874 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61748874, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73421712).

61748874 is an abundant number, since it is smaller than the sum of its proper divisors (85094550).

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

61748874 is a wasteful number, since it uses less digits than its factorization.

61748874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1923 (or 1920 counting only the distinct ones).

The product of its digits is 301056, while the sum is 45.

The square root of 61748874 is about 7858.0451767599. The cubic root of 61748874 is about 395.2540671724.

The spelling of 61748874 in words is "sixty-one million, seven hundred forty-eight thousand, eight hundred seventy-four".