61434715 has 8 divisors (see below), whose sum is σ = 76099968. Its totient is φ = 47562240.

The previous prime is 61434713. The next prime is 61434721. The reversal of 61434715 is 51743416.

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

It is not a de Polignac number, because 61434715 - 2¹ = 61434713 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61434713) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 198022 + ... + 198331.

It is an arithmetic number, because the mean of its divisors is an integer number (9512496).

Almost surely, 2^61434715 is an apocalyptic number.

61434715 is a deficient number, since it is larger than the sum of its proper divisors (14665253).

61434715 is a wasteful number, since it uses less digits than its factorization.

61434715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 396389.

The product of its digits is 10080, while the sum is 31.

The square root of 61434715 is about 7838.0300458725. The cubic root of 61434715 is about 394.5826173924.

The spelling of 61434715 in words is "sixty-one million, four hundred thirty-four thousand, seven hundred fifteen".