61140948 has 24 divisors (see below), whose sum is σ = 155631840. Its totient is φ = 18527520.

The previous prime is 61140929. The next prime is 61140991. The reversal of 61140948 is 84904116.

It is a Harshad number since it is a multiple of its sum of digits (33).

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, 231463 + ... + 231726.

It is an arithmetic number, because the mean of its divisors is an integer number (6484660).

Almost surely, 2^61140948 is an apocalyptic number.

It is an amenable number.

61140948 is an abundant number, since it is smaller than the sum of its proper divisors (94490892).

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

61140948 is a wasteful number, since it uses less digits than its factorization.

61140948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 463207 (or 463205 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 33.

The square root of 61140948 is about 7819.2677406519. The cubic root of 61140948 is about 393.9526771133.

The spelling of 61140948 in words is "sixty-one million, one hundred forty thousand, nine hundred forty-eight".