61454370 has 32 divisors (see below), whose sum is σ = 147728448. Its totient is φ = 16361408.

The previous prime is 61454357. The next prime is 61454381. The reversal of 61454370 is 7345416.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23572 + ... + 26048.

It is an arithmetic number, because the mean of its divisors is an integer number (4616514).

Almost surely, 2^61454370 is an apocalyptic number.

61454370 is an abundant number, since it is smaller than the sum of its proper divisors (86274078).

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

61454370 is a wasteful number, since it uses less digits than its factorization.

61454370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3314.

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 61454370 is about 7839.2837683043. The cubic root of 61454370 is about 394.6246929215.

Adding to 61454370 its reverse (7345416), we get a palindrome (68799786).

The spelling of 61454370 in words is "sixty-one million, four hundred fifty-four thousand, three hundred seventy".