61189370 has 16 divisors (see below), whose sum is σ = 120153888. Its totient is φ = 22250640.

The previous prime is 61189363. The next prime is 61189393. The reversal of 61189370 is 7398116.

It is a self number, because there is not a number n which added to its sum of digits gives 61189370.

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, 278024 + ... + 278243.

It is an arithmetic number, because the mean of its divisors is an integer number (7509618).

Almost surely, 2^61189370 is an apocalyptic number.

61189370 is a deficient number, since it is larger than the sum of its proper divisors (58964518).

61189370 is a wasteful number, since it uses less digits than its factorization.

61189370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 556285.

The product of its (nonzero) digits is 9072, while the sum is 35.

The square root of 61189370 is about 7822.3634535861. The cubic root of 61189370 is about 394.0566496744.

The spelling of 61189370 in words is "sixty-one million, one hundred eighty-nine thousand, three hundred seventy".