97549642 has 4 divisors (see below), whose sum is σ = 146324466. Its totient is φ = 48774820.

The previous prime is 97549637. The next prime is 97549679. The reversal of 97549642 is 24694579.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 67420521 + 30129121 = 8211^2 + 5489^2 .

It is a junction number, because it is equal to n+sod(n) for n = 97549592 and 97549601.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24387409 + ... + 24387412.

Almost surely, 2^97549642 is an apocalyptic number.

97549642 is a deficient number, since it is larger than the sum of its proper divisors (48774824).

97549642 is a wasteful number, since it uses less digits than its factorization.

97549642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48774823.

The product of its digits is 544320, while the sum is 46.

The square root of 97549642 is about 9876.7222295658. The cubic root of 97549642 is about 460.3363041640.

The spelling of 97549642 in words is "ninety-seven million, five hundred forty-nine thousand, six hundred forty-two".