61951946 has 32 divisors (see below), whose sum is σ = 110436480. Its totient is φ = 25502400.

The previous prime is 61951937. The next prime is 61951963. The reversal of 61951946 is 64915916.

It is a super-2 number, since 2×61951946² = 7676087226373832, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 134156 + ... + 134616.

It is an arithmetic number, because the mean of its divisors is an integer number (3451140).

Almost surely, 2^61951946 is an apocalyptic number.

61951946 is a deficient number, since it is larger than the sum of its proper divisors (48484534).

61951946 is a wasteful number, since it uses less digits than its factorization.

61951946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 830.

The product of its digits is 58320, while the sum is 41.

The square root of 61951946 is about 7870.9558504670. The cubic root of 61951946 is about 395.6868804940.

The spelling of 61951946 in words is "sixty-one million, nine hundred fifty-one thousand, nine hundred forty-six".