61671430 has 16 divisors (see below), whose sum is σ = 111676320. Its totient is φ = 24520192.

The previous prime is 61671419. The next prime is 61671433. The reversal of 61671430 is 3417616.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61671433) 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, 16795 + ... + 20134.

It is an arithmetic number, because the mean of its divisors is an integer number (6979770).

Almost surely, 2^61671430 is an apocalyptic number.

61671430 is a deficient number, since it is larger than the sum of its proper divisors (50004890).

61671430 is a wasteful number, since it uses less digits than its factorization.

61671430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37103.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 61671430 is about 7853.1159420959. The cubic root of 61671430 is about 395.0887585617.

The spelling of 61671430 in words is "sixty-one million, six hundred seventy-one thousand, four hundred thirty".