61274010 has 96 divisors (see below), whose sum is σ = 173714112. Its totient is φ = 13789440.

The previous prime is 61273999. The next prime is 61274021. The reversal of 61274010 is 1047216.

It is an interprime number because it is at equal distance from previous prime (61273999) and next prime (61274021).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 107025 + ... + 107595.

It is an arithmetic number, because the mean of its divisors is an integer number (1809522).

Almost surely, 2^61274010 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61274010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86857056).

61274010 is an abundant number, since it is smaller than the sum of its proper divisors (112440102).

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

61274010 is a wasteful number, since it uses less digits than its factorization.

61274010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 668 (or 661 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 21.

The square root of 61274010 is about 7827.7717135849. The cubic root of 61274010 is about 394.2382584962.

The spelling of 61274010 in words is "sixty-one million, two hundred seventy-four thousand, ten".