61149404 has 6 divisors (see below), whose sum is σ = 107011464. Its totient is φ = 30574700.

The previous prime is 61149401. The next prime is 61149421. The reversal of 61149404 is 40494116.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61149401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7643672 + ... + 7643679.

It is an arithmetic number, because the mean of its divisors is an integer number (17835244).

Almost surely, 2^61149404 is an apocalyptic number.

It is an amenable number.

61149404 is a deficient number, since it is larger than the sum of its proper divisors (45862060).

61149404 is a wasteful number, since it uses less digits than its factorization.

61149404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15287355 (or 15287353 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 61149404 is about 7819.8084375514. The cubic root of 61149404 is about 393.9708379388.

The spelling of 61149404 in words is "sixty-one million, one hundred forty-nine thousand, four hundred four".