61622004 has 12 divisors (see below), whose sum is σ = 143784704. Its totient is φ = 20540664.

The previous prime is 61621999. The next prime is 61622023. The reversal of 61622004 is 40022616.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2567572 + ... + 2567595.

Almost surely, 2^61622004 is an apocalyptic number.

It is an amenable number.

61622004 is an abundant number, since it is smaller than the sum of its proper divisors (82162700).

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

61622004 is a wasteful number, since it uses less digits than its factorization.

61622004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5135174 (or 5135172 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 61622004 is about 7849.9684075797. The cubic root of 61622004 is about 394.9831836028.

The spelling of 61622004 in words is "sixty-one million, six hundred twenty-two thousand, four".