61426147 has 8 divisors (see below), whose sum is σ = 64441440. Its totient is φ = 58470720.

The previous prime is 61426129. The next prime is 61426153. The reversal of 61426147 is 74162416.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-61426147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61426247) 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, 12858 + ... + 16975.

It is an arithmetic number, because the mean of its divisors is an integer number (8055180).

Almost surely, 2^61426147 is an apocalyptic number.

61426147 is a deficient number, since it is larger than the sum of its proper divisors (3015293).

61426147 is a wasteful number, since it uses less digits than its factorization.

61426147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29933.

The product of its digits is 8064, while the sum is 31.

The square root of 61426147 is about 7837.4834609076. The cubic root of 61426147 is about 394.5642730353.

The spelling of 61426147 in words is "sixty-one million, four hundred twenty-six thousand, one hundred forty-seven".