61064758 has 4 divisors (see below), whose sum is σ = 91597140. Its totient is φ = 30532378.

The previous prime is 61064741. The next prime is 61064767. The reversal of 61064758 is 85746016.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15266188 + ... + 15266191.

It is an arithmetic number, because the mean of its divisors is an integer number (22899285).

Almost surely, 2^61064758 is an apocalyptic number.

61064758 is a deficient number, since it is larger than the sum of its proper divisors (30532382).

61064758 is a wasteful number, since it uses less digits than its factorization.

61064758 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30532381.

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 61064758 is about 7814.3942823484. The cubic root of 61064758 is about 393.7889694193.

The spelling of 61064758 in words is "sixty-one million, sixty-four thousand, seven hundred fifty-eight".