61503942 has 8 divisors (see below), whose sum is σ = 123007896. Its totient is φ = 20501312.

The previous prime is 61503899. The next prime is 61503947. The reversal of 61503942 is 24930516.

It is a sphenic number, since it is the product of 3 distinct primes.

61503942 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61503947) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5125323 + ... + 5125334.

It is an arithmetic number, because the mean of its divisors is an integer number (15375987).

Almost surely, 2^61503942 is an apocalyptic number.

61503942 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

61503942 is a wasteful number, since it uses less digits than its factorization.

61503942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10250662.

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 61503942 is about 7842.4448993920. Note that the first 3 decimals coincide. The cubic root of 61503942 is about 394.7307720479.

The spelling of 61503942 in words is "sixty-one million, five hundred three thousand, nine hundred forty-two".