61457022 has 64 divisors (see below), whose sum is σ = 150163200. Its totient is φ = 18476640.

The previous prime is 61457017. The next prime is 61457027. The reversal of 61457022 is 22075416.

It is an interprime number because it is at equal distance from previous prime (61457017) and next prime (61457027).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61457027) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 92929 + ... + 93587.

It is an arithmetic number, because the mean of its divisors is an integer number (2346300).

Almost surely, 2^61457022 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61457022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75081600).

61457022 is an abundant number, since it is smaller than the sum of its proper divisors (88706178).

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

61457022 is a wasteful number, since it uses less digits than its factorization.

61457022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 838 (or 832 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 61457022 is about 7839.4529145853. The cubic root of 61457022 is about 394.6303693804.

The spelling of 61457022 in words is "sixty-one million, four hundred fifty-seven thousand, twenty-two".