49121742 has 16 divisors (see below), whose sum is σ = 98451072. Its totient is φ = 16339320.

The previous prime is 49121713. The next prime is 49121747. The reversal of 49121742 is 24712194.

It is a super-2 number, since 2×49121742² = 4825891074229128, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49121747) 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, 5484 + ... + 11327.

It is an arithmetic number, because the mean of its divisors is an integer number (6153192).

Almost surely, 2^49121742 is an apocalyptic number.

49121742 is an abundant number, since it is smaller than the sum of its proper divisors (49329330).

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

49121742 is a wasteful number, since it uses less digits than its factorization.

49121742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17303.

The product of its digits is 4032, while the sum is 30.

The square root of 49121742 is about 7008.6904625615. The cubic root of 49121742 is about 366.2333756000.

The spelling of 49121742 in words is "forty-nine million, one hundred twenty-one thousand, seven hundred forty-two".