61453733 has 16 divisors (see below), whose sum is σ = 70886400. Its totient is φ = 52688880.

The previous prime is 61453703. The next prime is 61453757. The reversal of 61453733 is 33735416.

It is a cyclic number.

It is not a de Polignac number, because 61453733 - 2⁶ = 61453669 is a prime.

It is a super-2 number, since 2×61453733² = 7553122599270578, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 61453733.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61453703) 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, 58628 + ... + 59666.

It is an arithmetic number, because the mean of its divisors is an integer number (4430400).

Almost surely, 2^61453733 is an apocalyptic number.

It is an amenable number.

61453733 is a deficient number, since it is larger than the sum of its proper divisors (9432667).

61453733 is a wasteful number, since it uses less digits than its factorization.

61453733 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1352.

The product of its digits is 22680, while the sum is 32.

The square root of 61453733 is about 7839.2431394874. The cubic root of 61453733 is about 394.6233294339.

The spelling of 61453733 in words is "sixty-one million, four hundred fifty-three thousand, seven hundred thirty-three".