61014749 has 4 divisors (see below), whose sum is σ = 61131936. Its totient is φ = 60897564.

The previous prime is 61014743. The next prime is 61014803. The reversal of 61014749 is 94741016.

61014749 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 61014749 - 2⁸ = 61014493 is a prime.

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

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61014743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57809 + ... + 58854.

It is an arithmetic number, because the mean of its divisors is an integer number (15282984).

Almost surely, 2^61014749 is an apocalyptic number.

It is an amenable number.

61014749 is a deficient number, since it is larger than the sum of its proper divisors (117187).

61014749 is a wasteful number, since it uses less digits than its factorization.

61014749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117186.

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 61014749 is about 7811.1938268103. The cubic root of 61014749 is about 393.6814422000.

The spelling of 61014749 in words is "sixty-one million, fourteen thousand, seven hundred forty-nine".