61021074 has 8 divisors (see below), whose sum is σ = 122042160. Its totient is φ = 20340356.

The previous prime is 61021049. The next prime is 61021099. The reversal of 61021074 is 47012016.

61021074 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (61021049) and next prime (61021099).

It is a sphenic number, since it is the product of 3 distinct primes.

61021074 is an admirable number.

It is a super-2 number, since 2×61021074² = 7447142944226952, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 61021074.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5085084 + ... + 5085095.

It is an arithmetic number, because the mean of its divisors is an integer number (15255270).

Almost surely, 2^61021074 is an apocalyptic number.

61021074 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

61021074 is a wasteful number, since it uses less digits than its factorization.

61021074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10170184.

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

The square root of 61021074 is about 7811.5986840083. The cubic root of 61021074 is about 393.6950451901.

The spelling of 61021074 in words is "sixty-one million, twenty-one thousand, seventy-four".