61915430 has 16 divisors (see below), whose sum is σ = 114460560. Its totient is φ = 24096672.

The previous prime is 61915429. The next prime is 61915439. The reversal of 61915430 is 3451916.

It is a junction number, because it is equal to n+sod(n) for n = 61915393 and 61915402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61915439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83300 + ... + 84039.

It is an arithmetic number, because the mean of its divisors is an integer number (7153785).

Almost surely, 2^61915430 is an apocalyptic number.

61915430 is a deficient number, since it is larger than the sum of its proper divisors (52545130).

61915430 is a wasteful number, since it uses less digits than its factorization.

61915430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167383.

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 61915430 is about 7868.6358411099. The cubic root of 61915430 is about 395.6091226896.

The spelling of 61915430 in words is "sixty-one million, nine hundred fifteen thousand, four hundred thirty".