61743534 has 16 divisors (see below), whose sum is σ = 124975872. Its totient is φ = 20333048.

The previous prime is 61743511. The next prime is 61743553. The reversal of 61743534 is 43534716.

It is a junction number, because it is equal to n+sod(n) for n = 61743495 and 61743504.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61494 + ... + 62489.

It is an arithmetic number, because the mean of its divisors is an integer number (7810992).

Almost surely, 2^61743534 is an apocalyptic number.

61743534 is an abundant number, since it is smaller than the sum of its proper divisors (63232338).

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

61743534 is a wasteful number, since it uses less digits than its factorization.

61743534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124071.

The product of its digits is 30240, while the sum is 33.

The square root of 61743534 is about 7857.7053902523. The cubic root of 61743534 is about 395.2426730776.

The spelling of 61743534 in words is "sixty-one million, seven hundred forty-three thousand, five hundred thirty-four".