61494707 has 4 divisors (see below), whose sum is σ = 61600056. Its totient is φ = 61389360.

The previous prime is 61494701. The next prime is 61494721. The reversal of 61494707 is 70749416.

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

It is a cyclic number.

It is not a de Polignac number, because 61494707 - 2¹⁴ = 61478323 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61494701) 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, 51794 + ... + 52967.

It is an arithmetic number, because the mean of its divisors is an integer number (15400014).

Almost surely, 2^61494707 is an apocalyptic number.

61494707 is a deficient number, since it is larger than the sum of its proper divisors (105349).

61494707 is a wasteful number, since it uses less digits than its factorization.

61494707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105348.

The product of its (nonzero) digits is 42336, while the sum is 38.

The square root of 61494707 is about 7841.8560940634. The cubic root of 61494707 is about 394.7110143922.

The spelling of 61494707 in words is "sixty-one million, four hundred ninety-four thousand, seven hundred seven".