61043004 has 48 divisors (see below), whose sum is σ = 172650240. Its totient is φ = 18497520.

The previous prime is 61042997. The next prime is 61043023. The reversal of 61043004 is 40034016.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24504 + ... + 26879.

It is an arithmetic number, because the mean of its divisors is an integer number (3596880).

Almost surely, 2^61043004 is an apocalyptic number.

It is an amenable number.

61043004 is an abundant number, since it is smaller than the sum of its proper divisors (111607236).

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

61043004 is a wasteful number, since it uses less digits than its factorization.

61043004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51407 (or 51399 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 61043004 is about 7813.0022398563. The cubic root of 61043004 is about 393.7422021131.

The spelling of 61043004 in words is "sixty-one million, forty-three thousand, four".