61671074 has 24 divisors (see below), whose sum is σ = 98320860. Its totient is φ = 29007072.

The previous prime is 61671067. The next prime is 61671079. The reversal of 61671074 is 47017616.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 56896849 + 4774225 = 7543^2 + 2185^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 61671074.

It is not an unprimeable number, because it can be changed into a prime (61671079) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 165152 + ... + 165524.

Almost surely, 2^61671074 is an apocalyptic number.

61671074 is a deficient number, since it is larger than the sum of its proper divisors (36649786).

61671074 is a wasteful number, since it uses less digits than its factorization.

61671074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 642 (or 623 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 32.

The square root of 61671074 is about 7853.0932759009. The cubic root of 61671074 is about 395.0879983401.

The spelling of 61671074 in words is "sixty-one million, six hundred seventy-one thousand, seventy-four".