61458036 has 48 divisors (see below), whose sum is σ = 148900416. Its totient is φ = 19713024.

The previous prime is 61458029. The next prime is 61458037. The reversal of 61458036 is 63085416.

It is a junction number, because it is equal to n+sod(n) for n = 61457988 and 61458006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61458037) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42355 + ... + 43781.

It is an arithmetic number, because the mean of its divisors is an integer number (3102092).

Almost surely, 2^61458036 is an apocalyptic number.

It is an amenable number.

61458036 is an abundant number, since it is smaller than the sum of its proper divisors (87442380).

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

61458036 is a wasteful number, since it uses less digits than its factorization.

61458036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1568 (or 1566 counting only the distinct ones).

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

The square root of 61458036 is about 7839.5175871988. The cubic root of 61458036 is about 394.6325397481.

The spelling of 61458036 in words is "sixty-one million, four hundred fifty-eight thousand, thirty-six".