61434207 has 20 divisors (see below), whose sum is σ = 91998720. Its totient is φ = 40855104.

The previous prime is 61434181. The next prime is 61434227. The reversal of 61434207 is 70243416.

61434207 is a `hidden beast` number, since 614 + 3 + 42 + 0 + 7 = 666.

It is not a de Polignac number, because 61434207 - 2¹¹ = 61432159 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61434227) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 47394 + ... + 48672.

It is an arithmetic number, because the mean of its divisors is an integer number (4599936).

Almost surely, 2^61434207 is an apocalyptic number.

61434207 is a deficient number, since it is larger than the sum of its proper divisors (30564513).

61434207 is a wasteful number, since it uses less digits than its factorization.

61434207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1884 (or 1875 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 61434207 is about 7837.9976397037. The cubic root of 61434207 is about 394.5815297960.

The spelling of 61434207 in words is "sixty-one million, four hundred thirty-four thousand, two hundred seven".