61240744 has 16 divisors (see below), whose sum is σ = 115964820. Its totient is φ = 30316800.

The previous prime is 61240727. The next prime is 61240769. The reversal of 61240744 is 44704216.

It can be written as a sum of positive squares in 2 ways, for example, as 49420900 + 11819844 = 7030^2 + 3438^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37089 + ... + 38704.

Almost surely, 2^61240744 is an apocalyptic number.

It is an amenable number.

61240744 is a deficient number, since it is larger than the sum of its proper divisors (54724076).

61240744 is a wasteful number, since it uses less digits than its factorization.

61240744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75900 (or 75896 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 28.

The square root of 61240744 is about 7825.6465547583. The cubic root of 61240744 is about 394.1669008685.

The spelling of 61240744 in words is "sixty-one million, two hundred forty thousand, seven hundred forty-four".