61870430 has 16 divisors (see below), whose sum is σ = 112777920. Its totient is φ = 24434592.

The previous prime is 61870423. The next prime is 61870453. The reversal of 61870430 is 3407816.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 61870393 and 61870402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38369 + ... + 39948.

It is an arithmetic number, because the mean of its divisors is an integer number (7048620).

Almost surely, 2^61870430 is an apocalyptic number.

61870430 is a deficient number, since it is larger than the sum of its proper divisors (50907490).

61870430 is a wasteful number, since it uses less digits than its factorization.

61870430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78403.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 61870430 is about 7865.7758676433. The cubic root of 61870430 is about 395.5132568438.

The spelling of 61870430 in words is "sixty-one million, eight hundred seventy thousand, four hundred thirty".