61001448 has 32 divisors (see below), whose sum is σ = 152712000. Its totient is φ = 20306048.

The previous prime is 61001443. The next prime is 61001453. The reversal of 61001448 is 84410016.

It is an interprime number because it is at equal distance from previous prime (61001443) and next prime (61001453).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (61001443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23965 + ... + 26387.

It is an arithmetic number, because the mean of its divisors is an integer number (4772250).

Almost surely, 2^61001448 is an apocalyptic number.

It is an amenable number.

61001448 is an abundant number, since it is smaller than the sum of its proper divisors (91710552).

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

61001448 is a wasteful number, since it uses less digits than its factorization.

61001448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3481 (or 3477 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 24.

The square root of 61001448 is about 7810.3423740576. The cubic root of 61001448 is about 393.6528330659.

The spelling of 61001448 in words is "sixty-one million, one thousand, four hundred forty-eight".