61486694 has 8 divisors (see below), whose sum is σ = 93092328. Its totient is φ = 30455920.

The previous prime is 61486687. The next prime is 61486703. The reversal of 61486694 is 49668416.

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

It is a super-2 number, since 2×61486694² = 7561227078099272, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 143447 + ... + 143874.

It is an arithmetic number, because the mean of its divisors is an integer number (11636541).

Almost surely, 2^61486694 is an apocalyptic number.

61486694 is a deficient number, since it is larger than the sum of its proper divisors (31605634).

61486694 is a wasteful number, since it uses less digits than its factorization.

61486694 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287430.

The product of its digits is 248832, while the sum is 44.

The square root of 61486694 is about 7841.3451652124. The cubic root of 61486694 is about 394.6938695196.

The spelling of 61486694 in words is "sixty-one million, four hundred eighty-six thousand, six hundred ninety-four".