61480458 has 96 divisors (see below), whose sum is σ = 153369216. Its totient is φ = 18335808.

The previous prime is 61480457. The next prime is 61480459. The reversal of 61480458 is 85408416.

It is an interprime number because it is at equal distance from previous prime (61480457) and next prime (61480459).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61480457) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 233635 + ... + 233897.

It is an arithmetic number, because the mean of its divisors is an integer number (1597596).

Almost surely, 2^61480458 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61480458, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76684608).

61480458 is an abundant number, since it is smaller than the sum of its proper divisors (91888758).

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

61480458 is a wasteful number, since it uses less digits than its factorization.

61480458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 330 (or 318 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 36.

The square root of 61480458 is about 7840.9475192734. The cubic root of 61480458 is about 394.6805257427.

The spelling of 61480458 in words is "sixty-one million, four hundred eighty thousand, four hundred fifty-eight".