61963190 has 32 divisors (see below), whose sum is σ = 114260544. Its totient is φ = 24186240.

The previous prime is 61963189. The next prime is 61963241. The reversal of 61963190 is 9136916.

It is a super-2 number, since 2×61963190² = 7678873829952200, 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 61963190.

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 15 ways as a sum of consecutive naturals, for example, 95447 + ... + 96093.

It is an arithmetic number, because the mean of its divisors is an integer number (3570642).

Almost surely, 2^61963190 is an apocalyptic number.

61963190 is a deficient number, since it is larger than the sum of its proper divisors (52297354).

61963190 is a wasteful number, since it uses less digits than its factorization.

61963190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 872.

The product of its (nonzero) digits is 8748, while the sum is 35.

The square root of 61963190 is about 7871.6700896316. The cubic root of 61963190 is about 395.7108175099.

The spelling of 61963190 in words is "sixty-one million, nine hundred sixty-three thousand, one hundred ninety".