61348690 has 48 divisors (see below), whose sum is σ = 123538176. Its totient is φ = 21902400.

The previous prime is 61348687. The next prime is 61348691. The reversal of 61348690 is 9684316.

It is a super-2 number, since 2×61348690² = 7527323529432200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (61348691) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 51805 + ... + 52975.

It is an arithmetic number, because the mean of its divisors is an integer number (2573712).

Almost surely, 2^61348690 is an apocalyptic number.

61348690 is an abundant number, since it is smaller than the sum of its proper divisors (62189486).

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

61348690 is a wasteful number, since it uses less digits than its factorization.

61348690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1235 (or 1222 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 61348690 is about 7832.5404563271. The cubic root of 61348690 is about 394.3983576974.

The spelling of 61348690 in words is "sixty-one million, three hundred forty-eight thousand, six hundred ninety".