61229004 has 24 divisors (see below), whose sum is σ = 143115840. Its totient is φ = 20374224.

The previous prime is 61228997. The next prime is 61229011. The reversal of 61229004 is 40092216.

It is an interprime number because it is at equal distance from previous prime (61228997) and next prime (61229011).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3307 + ... + 11549.

It is an arithmetic number, because the mean of its divisors is an integer number (5963160).

Almost surely, 2^61229004 is an apocalyptic number.

It is an amenable number.

61229004 is an abundant number, since it is smaller than the sum of its proper divisors (81886836).

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

61229004 is a wasteful number, since it uses less digits than its factorization.

61229004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8869 (or 8867 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 61229004 is about 7824.8964210397. The cubic root of 61229004 is about 394.1417116734.

The spelling of 61229004 in words is "sixty-one million, two hundred twenty-nine thousand, four".