61164793 has 4 divisors (see below), whose sum is σ = 64762740. Its totient is φ = 57566848.

The previous prime is 61164773. The next prime is 61164823. The reversal of 61164793 is 39746116.

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

It can be written as a sum of positive squares in 2 ways, for example, as 27373824 + 33790969 = 5232^2 + 5813^2 .

It is a cyclic number.

It is not a de Polignac number, because 61164793 - 2²¹ = 59067641 is a prime.

It is a super-2 number, since 2×61164793² = 7482263805465698, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61164713) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1798948 + ... + 1798981.

It is an arithmetic number, because the mean of its divisors is an integer number (16190685).

Almost surely, 2^61164793 is an apocalyptic number.

It is an amenable number.

61164793 is a deficient number, since it is larger than the sum of its proper divisors (3597947).

61164793 is a wasteful number, since it uses less digits than its factorization.

61164793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3597946.

The product of its digits is 27216, while the sum is 37.

The square root of 61164793 is about 7820.7923511624. The cubic root of 61164793 is about 394.0038843700.

The spelling of 61164793 in words is "sixty-one million, one hundred sixty-four thousand, seven hundred ninety-three".