61944562 has 4 divisors (see below), whose sum is σ = 92916846. Its totient is φ = 30972280.

The previous prime is 61944557. The next prime is 61944569. The reversal of 61944562 is 26544916.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 54154881 + 7789681 = 7359^2 + 2791^2 .

It is a super-2 number, since 2×61944562² = 7674257522743688, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (61944569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15486139 + ... + 15486142.

Almost surely, 2^61944562 is an apocalyptic number.

61944562 is a deficient number, since it is larger than the sum of its proper divisors (30972284).

61944562 is a wasteful number, since it uses less digits than its factorization.

61944562 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30972283.

The product of its digits is 51840, while the sum is 37.

The square root of 61944562 is about 7870.4867702068. The cubic root of 61944562 is about 395.6711593413.

It can be divided in two parts, 619 and 44562, that multiplied together give a triangular number (27583878 = T₇₄₂₇).

The spelling of 61944562 in words is "sixty-one million, nine hundred forty-four thousand, five hundred sixty-two".