49273749 has 12 divisors (see below), whose sum is σ = 81340896. Its totient is φ = 28156392.

The previous prime is 49273747. The next prime is 49273771. The reversal of 49273749 is 94737294.

It is not a de Polignac number, because 49273749 - 2¹ = 49273747 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49273747) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 390999 + ... + 391124.

It is an arithmetic number, because the mean of its divisors is an integer number (6778408).

Almost surely, 2^49273749 is an apocalyptic number.

It is an amenable number.

49273749 is a deficient number, since it is larger than the sum of its proper divisors (32067147).

49273749 is a wasteful number, since it uses less digits than its factorization.

49273749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 782136 (or 782133 counting only the distinct ones).

The product of its digits is 381024, while the sum is 45.

The square root of 49273749 is about 7019.5262660667. The cubic root of 49273749 is about 366.6107557541.

The spelling of 49273749 in words is "forty-nine million, two hundred seventy-three thousand, seven hundred forty-nine".