61374906 has 24 divisors (see below), whose sum is σ = 135161364. Its totient is φ = 20122560.

The previous prime is 61374899. The next prime is 61374923. The reversal of 61374906 is 60947316.

It can be written as a sum of positive squares in 2 ways, for example, as 56927025 + 4447881 = 7545^2 + 2109^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26851 + ... + 29046.

Almost surely, 2^61374906 is an apocalyptic number.

61374906 is an abundant number, since it is smaller than the sum of its proper divisors (73786458).

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

61374906 is a wasteful number, since it uses less digits than its factorization.

61374906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55966 (or 55963 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 61374906 is about 7834.2138086728. The cubic root of 61374906 is about 394.4545288230.

The spelling of 61374906 in words is "sixty-one million, three hundred seventy-four thousand, nine hundred six".