61450494 has 64 divisors (see below), whose sum is σ = 146657280. Its totient is φ = 16796160.

The previous prime is 61450409. The next prime is 61450523. The reversal of 61450494 is 49405416.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 141702 + ... + 142134.

It is an arithmetic number, because the mean of its divisors is an integer number (2291520).

Almost surely, 2^61450494 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61450494, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73328640).

61450494 is an abundant number, since it is smaller than the sum of its proper divisors (85206786).

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

61450494 is a wasteful number, since it uses less digits than its factorization.

61450494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 585.

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 61450494 is about 7839.0365479439. The cubic root of 61450494 is about 394.6163962646.

The spelling of 61450494 in words is "sixty-one million, four hundred fifty thousand, four hundred ninety-four".