61903420 has 24 divisors (see below), whose sum is σ = 130468464. Its totient is φ = 24671616.

The previous prime is 61903403. The next prime is 61903421. The reversal of 61903420 is 2430916.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61903421) 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, 192 + ... + 11128.

It is an arithmetic number, because the mean of its divisors is an integer number (5436186).

Almost surely, 2^61903420 is an apocalyptic number.

It is an amenable number.

61903420 is an abundant number, since it is smaller than the sum of its proper divisors (68565044).

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

61903420 is a wasteful number, since it uses less digits than its factorization.

61903420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11229 (or 11227 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 61903420 is about 7867.8726476729. The cubic root of 61903420 is about 395.5835417059.

The spelling of 61903420 in words is "sixty-one million, nine hundred three thousand, four hundred twenty".