61394430 has 32 divisors (see below), whose sum is σ = 147727008. Its totient is φ = 16329600.

The previous prime is 61394419. The next prime is 61394441. The reversal of 61394430 is 3449316.

It is an interprime number because it is at equal distance from previous prime (61394419) and next prime (61394441).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10200 + ... + 15060.

It is an arithmetic number, because the mean of its divisors is an integer number (4616469).

Almost surely, 2^61394430 is an apocalyptic number.

61394430 is an abundant number, since it is smaller than the sum of its proper divisors (86332578).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61394430 is a wasteful number, since it uses less digits than its factorization.

61394430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5292.

The product of its (nonzero) digits is 7776, while the sum is 30.

The square root of 61394430 is about 7835.4597822974. The cubic root of 61394430 is about 394.4963510934.

The spelling of 61394430 in words is "sixty-one million, three hundred ninety-four thousand, four hundred thirty".